target/linux/ar71xx/image/lzma-loader/Makefile

   1 #
   2 # Copyright (C) 2011 OpenWrt.org
   3 # Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
   4 #
   5 # This is free software, licensed under the GNU General Public License v2.
   6 # See /LICENSE for more information.
   7 #
   8
   9 include $(TOPDIR)/rules.mk
  10
  11 LZMA_TEXT_START := 0x80a00000
  12 LOADADDR        := 0x80060000
  13 LOADER          := loader.bin
  14 LOADER_NAME     := $(basename $(notdir $(LOADER)))
  15 LOADER_DATA     :=
  16 TARGET_DIR      :=
  17 FLASH_OFFS      :=
  18 FLASH_MAX       :=
  19 BOARD           :=
  20
  21 ifeq ($(TARGET_DIR),)
  22 TARGET_DIR      := $(KDIR)
  23 endif
  24
  25 LOADER_BIN      := $(TARGET_DIR)/$(LOADER_NAME).bin
  26 LOADER_GZ       := $(TARGET_DIR)/$(LOADER_NAME).gz
  27 LOADER_ELF      := $(TARGET_DIR)/$(LOADER_NAME).elf
  28
  29 PKG_NAME := lzma-loader
  30 PKG_BUILD_DIR := $(KDIR)/$(PKG_NAME)
  31
  32 .PHONY : loader-compile loader.bin loader.elf loader.gz
  33
  34 $(PKG_BUILD_DIR)/.prepared:
  35         mkdir $(PKG_BUILD_DIR)
  36         $(CP) ./src/* $(PKG_BUILD_DIR)/
  37         touch $@
  38
  39 loader-compile: $(PKG_BUILD_DIR)/.prepared
  40         $(MAKE) -C $(PKG_BUILD_DIR) CROSS_COMPILE="$(TARGET_CROSS)" \
  41                 LZMA_TEXT_START=$(LZMA_TEXT_START) \
  42                 LOADADDR=$(LOADADDR) \
  43                 LOADER_DATA=$(LOADER_DATA) \
  44                 FLASH_OFFS=$(FLASH_OFFS) \
  45                 FLASH_MAX=$(FLASH_MAX) \
  46                 BOARD="$(BOARD)" \
  47                 clean all
  48
  49 loader.gz: $(PKG_BUILD_DIR)/loader.bin
  50         # Workaround for buggy bootloaders: Some devices
  51         # (TP-Link TL-WR1043ND v1) don't work correctly when
  52         # the uncompressed loader is too small (probably a cache
  53         # invalidation issue)
  54         dd if=$< bs=512K conv=sync | gzip -nc9 > $(LOADER_GZ)
  55
  56 loader.elf: $(PKG_BUILD_DIR)/loader.elf
  57         $(CP) $< $(LOADER_ELF)
  58
  59 loader.bin: $(PKG_BUILD_DIR)/loader.bin
  60         $(CP) $< $(LOADER_BIN)
  61
  62 download:
  63 prepare: $(PKG_BUILD_DIR)/.prepared
  64 compile: loader-compile
  65
  66 install:
  67
  68 clean:
  69         rm -rf $(PKG_BUILD_DIR)
  70